package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.apache.ibatis.annotations.Delete;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")
@Slf4j
@Api(tags = "菜品相关接口")
public class DishController {

    @Autowired
    private DishService dishService;

    @Autowired
    private RedisTemplate redisTemplate;

    private static final String PATTERN = "dish_*";

    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO){
        log.info("新增菜品{}",dishDTO);
        dishService.saveWithFlavor(dishDTO);
        //拼接key
        String key = "dish_"+dishDTO.getCategoryId();
        //清理缓存数据
        redisTemplate.delete(key);
        return Result.success();

    }

    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> get(DishPageQueryDTO dishPageQueryDTO){
       PageResult pageResult =  dishService.get(dishPageQueryDTO);
        return Result.success(pageResult);
    }


    @DeleteMapping
    @ApiOperation("批量删除菜品")
    public Result remove(@RequestParam List<Long> ids){

        dishService.remove(ids);
        //将所有的菜品焕春数据删除   以dish_开头的
        clearCache(PATTERN);
        return Result.success();
    }


    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> get(@PathVariable Long id){
       DishVO dishVO =  dishService.getById(id);

        return Result.success(dishVO);
    }


    @PutMapping
    @ApiOperation("修改菜品")
    public Result put(@RequestBody DishDTO dishDTO){
        dishService.put(dishDTO);

        //修改后 直接把所有的缓存数据删除
        clearCache(PATTERN);
        return Result.success();
    }


    @PostMapping("/status/{status}")
    @ApiOperation("起售 还是 停s售")
    public Result startOrStop(@PathVariable Integer status ,Long id){
        Dish dish = new Dish();
        dish.setId(id);
        dish.setStatus(status);
        dishService.startOrStop(dish);
        clearCache(PATTERN);
        return Result.success();
    }


    @GetMapping("/list")
    @ApiOperation("根据分类id擦讯菜品")
    public Result<List<Dish>>  list(Long categoryId){
      List<Dish> dishList =   dishService.list(categoryId);
      return Result.success(dishList);
    }

    private  void clearCache(String pattern){
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}
